You also can purchase on Amazon. We would greatly appreciate if you could take the time to leave a review there!

Battery Specification:

• Capacity: 4400mAh
• Type: Li-ion
• Voltage: 11.1
• Dimension: 209.00 x 49.20 x 26.40mm

Features:

• 12 months manufacturer warranty
• 100% Compatible with original manufacturer equipment including chargers
• No memory effect, you can charge the battery at anytime
• Battery can be charged more than 500 times
• With CE, ISO9001 and RoHS certification

Compatible Fit Model:

DELL

Studio XPS 13, Studio XPS 1340

Compatible Part Number:

DELL

312-0773, 312-0774, P866C, P878C, P891C, PP17S, R437C, T555C, T561C, W004C